docs: better fix for width on notes

Author: james

docs/language/ql-training/_static-training/slides-semmle-2/static/theme/css/default.css

@@ -1589,8 +1589,8 @@ p.first.admonition-title {
   font-size: 1em;
 }
 
-.admonition.note  ul {
-  width: 90%;
+.admonition.note  ul li {
+  width: inherit;
 }